Piedmont Weather Forecast

    • 52
    • 72

    Decreasing Clouds

    • 55
    • 84

    Mostly Sunny

    • 54
    • 82

    Mostly Sunny

    • 52
    • 81

    Partly Sunny

    • 52
    • 79

    Mostly Cloudy

    • 47
    • 65

    Rain Likely

Today 20 May Inner Portland Metro

Mostly sunny. Highs in the lower 70s. North wind 5 to 10 Mph.

Tonight 20 May Inner Portland Metro

Mostly cloudy. Lows around 50. Winds light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Piedmont Temperature Statistics

May Temperature

Portland, Portland International Airport (3.1 miles)

  • Lowest 17 May, 2026

    42.1 °F

  • Average May

    61.7 °F

  • Highest 3 May, 2026

    91.7 °F

Climate (2021–Present)

Portland, Portland International Airport (3.1 miles)

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  • Average Low 2021–2026

    48.4 °F

  • Average 2021–2026

    56.3 °F

  • Average High 2021–2026

    65.5 °F
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